A pie diagram represents the number of valid votes obtained by four students who contested for school captain post. Values of central angle in pie chart for them are: Albert `100^@`, Raj `80^@`, Nashima `120^@` and Suja `60^@`. The total of valid votes polled was 720. By how many votes did the winner defeat the nearest contestant?

A pie diagram represents the number of valid votes obtained by four students who contested for school captain post. Values of central angle in pie chart for them are: Albert 100^@ , Raj 80^@ , Nashima 120^@ and Suja 60^@ . The total of valid votes polled was 720. What is the minimum no of votes? Who got it?

A pie diagram represents the number of valid votes obtained by four students who contested for school captain post. Values of central angle in pie chart for them are: Albert 100^@ , Raj 80^@ , Nashima 120^@ and Suja 60^@ . The total of valid votes polled was 720. Who has won the election? Find the number of votes received by the winner.